<html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> Hi systemd experts here: I'd like any advice/clue regarding scheduling apt automatic update/upgrade and the possibility of bellow request: The current largest interval between 2 scheduled update/upgrade is "every two weeks", is it possible to set the schedule to be monthly? for example, make apt automatic update/upgrade only happen once on the 5th of each month? Seems I can use systemd and apt-daily.timer to let apt automatic update/upgrade happen multiple times each day, but apt-daily.timer cannot override the daily apt update/upgrade with a less frequency such as once per month. Regards, Mian Canonical Support and Technical Services Email: <a class="moz-txt-link-abbreviated" href="mailto:mian.hou@canonical.com">mian.hou@canonical.com</a> Mobile: +86 139 1138 6220 <span style="color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none; background-color: rgb(255, 255, 255);"> </body> </html>